Book/Report FZJ-2018-02495

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Beitrag zur elektrochemischen Reduktion von Formaldehyd : die Schlüsselreaktion eines thermochemischen Kreisprozesses zur Wasserstofferzeugung



1985
Kernforschungsanlage Jülich, Verlag Jülich

Jülich : Kernforschungsanlage Jülich, Verlag, Berichte der Kernforschungsanlage Jülich 1987, [4], 144 p. ()

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Report No.: Juel-1987

Abstract: The reduction of formaldehyde by electrol.ysis to methane is the key reaction of the hydrocarbon cycle. in this report a systematic investigation with different electrodes was performed in aqueous and non-aqueous electrolytes. Energetic considerations of the reaction-mechanism, intermediate products and bonding energies led to a limited number of parameter combinations and showed the critical aspects. The experiments only resulted in low current efficiency (< 10 %) and energy efficiency (high overvoltages) . Favourable conditions are raised temperatures ( $\sim$ 90$^\circ$) and acidic, aqueous medium. Favourable electrodes are Raney-platinum, ruthenium coated platinum or palladium/silver (gas diffusion electrode) and zinc.


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2018-04-19, last modified 2021-01-29